Microsoft

Microsoft is the world leader in software, services and Internet technologies for personal and business computing. The company offers a wide range of products and services:

• Windows Client
• Information Worker
• Unified Communications
• Server Products
• SharePoint
• Mail Products
• Monitoring/Management Products
• Server Platforms

Citrix

Citrix is the global leader in the application delivery infrastructure market. With Citrix solutions, organizations deliver optimal application performance and information security to their users in all scenarios, at lower operating costs.

VMWare

VMWare is the global leader in virtualization solutions from the desktop to the datacenter. Customers of all sizes rely on VMware to reduce capital and operating expenses, ensure business continuity and strengthen security.

Cisco

Cisco Systems is the worldwide leader in networking equipment and management for the Internet. Cisco's network, storage and wireless products and solutions securely power the Internet and link networks of most corporate, education, and government entities around the world. Cisco provides the broadest line of solutions for transporting data, voice and video within buildings, across campuses and around the world.